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Message-ID: <20070729145852.GA16817@stusta.de>
Date: Sun, 29 Jul 2007 16:58:52 +0200
From: Adrian Bunk <bunk@...sta.de>
To: Miklos Szeredi <mszeredi@...e.cz>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [2.6 patch] net/unix/af_unix.c: make code static
The following code can now become static:
- struct unix_socket_table
- unix_table_lock
Signed-off-by: Adrian Bunk <bunk@...sta.de>
---
include/net/af_unix.h | 29 -----------------------------
net/unix/af_unix.c | 30 ++++++++++++++++++++++++++++--
2 files changed, 28 insertions(+), 31 deletions(-)
--- linux-2.6.23-rc1-mm1/include/net/af_unix.h.old 2007-07-26 21:17:33.000000000 +0200
+++ linux-2.6.23-rc1-mm1/include/net/af_unix.h 2007-07-26 21:20:27.000000000 +0200
@@ -12,37 +12,8 @@
#define UNIX_HASH_SIZE 256
-extern struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
-extern spinlock_t unix_table_lock;
-
extern atomic_t unix_tot_inflight;
-static inline struct sock *first_unix_socket(int *i)
-{
- for (*i = 0; *i <= UNIX_HASH_SIZE; (*i)++) {
- if (!hlist_empty(&unix_socket_table[*i]))
- return __sk_head(&unix_socket_table[*i]);
- }
- return NULL;
-}
-
-static inline struct sock *next_unix_socket(int *i, struct sock *s)
-{
- struct sock *next = sk_next(s);
- /* More in this chain? */
- if (next)
- return next;
- /* Look for next non-empty chain. */
- for ((*i)++; *i <= UNIX_HASH_SIZE; (*i)++) {
- if (!hlist_empty(&unix_socket_table[*i]))
- return __sk_head(&unix_socket_table[*i]);
- }
- return NULL;
-}
-
-#define forall_unix_sockets(i, s) \
- for (s = first_unix_socket(&(i)); s; s = next_unix_socket(&(i),(s)))
-
struct unix_address {
atomic_t refcnt;
int len;
--- linux-2.6.23-rc1-mm1/net/unix/af_unix.c.old 2007-07-26 21:17:48.000000000 +0200
+++ linux-2.6.23-rc1-mm1/net/unix/af_unix.c 2007-07-26 21:20:24.000000000 +0200
@@ -118,14 +118,40 @@
int sysctl_unix_max_dgram_qlen __read_mostly = 10;
-struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
-DEFINE_SPINLOCK(unix_table_lock);
+static struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
+static DEFINE_SPINLOCK(unix_table_lock);
static atomic_t unix_nr_socks = ATOMIC_INIT(0);
#define unix_sockets_unbound (&unix_socket_table[UNIX_HASH_SIZE])
#define UNIX_ABSTRACT(sk) (unix_sk(sk)->addr->hash != UNIX_HASH_SIZE)
+static struct sock *first_unix_socket(int *i)
+{
+ for (*i = 0; *i <= UNIX_HASH_SIZE; (*i)++) {
+ if (!hlist_empty(&unix_socket_table[*i]))
+ return __sk_head(&unix_socket_table[*i]);
+ }
+ return NULL;
+}
+
+static struct sock *next_unix_socket(int *i, struct sock *s)
+{
+ struct sock *next = sk_next(s);
+ /* More in this chain? */
+ if (next)
+ return next;
+ /* Look for next non-empty chain. */
+ for ((*i)++; *i <= UNIX_HASH_SIZE; (*i)++) {
+ if (!hlist_empty(&unix_socket_table[*i]))
+ return __sk_head(&unix_socket_table[*i]);
+ }
+ return NULL;
+}
+
+#define forall_unix_sockets(i, s) \
+ for (s = first_unix_socket(&(i)); s; s = next_unix_socket(&(i),(s)))
+
#ifdef CONFIG_SECURITY_NETWORK
static void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)
{
-
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